Education and the human environment
| Awdur Corfforaethol: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Canberra, Australia
Curriculum Development Centre
1977.
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| Cyfres: | CDC Professional series
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| Pynciau: |